[Code of Federal Regulations]
[Title 21, Volume 3]
[Revised as of April 1, 2001]
From the U.S. Government Printing Office via GPO Access
[CITE: 21CFR172.215]

[Page 36-37]
 
                        TITLE 21--FOOD AND DRUGS
 
CHAPTER I--FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN 
                          SERVICES (CONTINUED)
 
PART 172--FOOD ADDITIVES PERMITTED FOR DIRECT ADDITION TO FOOD FOR HUMAN CONSUMPTION--Table of Contents
 
            Subpart C--Coatings, Films and Related Substances
 
Sec. 172.215  Coumarone-indene resin.

    The food additive coumarone-indene resin may be safely used on 
grapefruit, lemons, limes, oranges, tangelos, and tangerines in 
accordance with the following prescribed conditions:
    (a) The food additive is manufactured by the polymerization of a 
crude, heavy coal-tar solvent naphtha meeting the following 
specifications:
    (1) It is a mixture of indene, indan (hydrindene), substituted 
benzenes, and related compounds.
    (2) It contains no more than 0.25 percent tar bases.
    (3) 95 percent distills in the range 167  deg.C-184  deg.C.

[[Page 37]]

    (b) The food additive meets the following specifications:
    (1) Softening point, ring and ball: 126  deg.C minimum as determined 
by ASTM method E28-67 (Reapproved 1982), ``Standard Test Method for 
Softening Point by Ring-and-Ball Apparatus,'' which is incorporated by 
reference. Copies may be obtained from the American Society for Testing 
Materials, 1916 Race St., Philadelphia, PA 19103, or may be examined at 
the Office of the Federal Register, 800 North Capitol Street, NW., suite 
700, Washington, DC 20408.
    (2) Refractive index (n25/D) 1.63-1.64.
    (c) It is used or intended for use as a protective coating for 
grapefruit, lemons, limes, oranges, tangelos, and tangerines whereby the 
maximum amount of the resin remaining on the fruit does not exceed 200 
parts per million on a fresh-weight basis.
    (d) To assure safe use of the additive:
    (1) The label of the market package or any intermediate premix of 
the additive shall bear, in addition to the other information required 
by the act:
    (i) The name of the additive, coumarone-indene resin.
    (ii) A statement of the concentration of the additive therein.
    (2) The label or accompanying labeling shall bear adequate 
directions that, if followed, will result in a finished food not in 
conflict with the requirements of this section.

[42 FR 14491, Mar. 15, 1977, as amended at 49 FR 10103, Mar. 19, 1984]